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1answer
155 views

Create a RAID1 Mirror After OS and apps have been installed

We are building a server but one of the new disks is dead on arrival. If we put the os and apps etc on the first disk, when we get the bad disk replaced can any one see any reason we shouldn't be able ...
0
votes
1answer
251 views

Server mirroring strategy questions SQL Server replication, MySQL replication, file replication, etc

I'm working as an application developer for a company that I've been with for for some time. The business would like to mirror their existing windows server (server A) to a new server (server B) with ...
2
votes
2answers
52 views

Raid controller for an old server [closed]

I'm trying to find a PCI Raid controller for an old machine that only has 64bit/33MHz PCI slots. It's now being used as a file server and uses a couple of old PATA drives with Windows Server ...
1
vote
1answer
912 views

how to migrate lvm mirrorlog from physical partition

Output from: sudo lvs --all -o +devices root hp03 mwa-ao 18.62g root_mlog 100.00 root_mimage_0(0),root_mimage_1(0) ...
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votes
1answer
344 views

Rsync and Webmin won't recognize a change in ports

I am trying to use Rsync to transfer files between servers. However, I used a nonstandard port on one of the servers. This caused trouble, so I changed the port back to 22. Now, when I try to use ...
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3answers
1k views

Clone/Mirror Live Linux (Debian) Server

I've probably read every serverfault article on this matter, but none seems to answer my specific question or they seem like dated methods. I have a live running debian (Lenny) system on Dell ...
3
votes
1answer
1k views

High Availability NFS Server (Heartbeat/DRBD) long hang on clients when takeover occurs

We have a High Availability NFS environment using DRBD, heartbeat and nfs exposed to clients (Simular to the following https://help.ubuntu.com/community/HighlyAvailableNFS ). This seems to be a ...
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4answers
5k views

Cannot add witness to my mirroring setup

I'm trying to set up mirroring with a witness using my 3 dedicated servers running SQL Server 2008 R2. I've set up everything as described at this blog post Mirroring seems to work fine between the ...
1
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1answer
1k views

lftp, setting for ignoring time-stamp?

I am using lftp for mirroring the files on a server to a PC. The problem for me is that as I put a batch of files on the PC that are exactly the same as the ones on the server, the mirroring starts of ...
0
votes
2answers
259 views

SQL server 2008 R2 with IIS on same machine and mirroring

I want to install SQL server 2008 R2 and IIS on same server with a mirroring configuration with principal/mirror/witness setup. Both principal and mirror servers will have IIS and SQL server. My ...
7
votes
4answers
15k views

How to build a high availability Postfix system?

I'm needing to set up a remote mirror for a postfix server (where the content of both mail servers should be the same at any time). The idea is that if the main server comes down at some point the ...
-1
votes
2answers
1k views

How to Mirror or Clone a Spanned Volume in Windows 2008

I have a spanned volume (3x6+ TB disks spanned to one 20+ TB volume) that I need to mirror or clone to a new 20+ TB (unspanned) volume. Once mirrored or cloned I'm going to destroy the original ...
3
votes
1answer
1k views

Can wget convert links within a local html document?

I know that wget can fetch a remote page and its dependencies and rewrite the html so that image src attributes reference the newly downloaded images. I am trying to convert local html files that ...
0
votes
1answer
234 views

SQL connection with mirroring still working after a failover

I have a windows service application that is instaled on two servers, SQL01 and SQL02. On both server there is a SQL server (X1 and X2), which have the same content. A mirroring partnership was set up ...
0
votes
3answers
1k views

How can I create a system mirror?

I have a database and webserver set up on one machine, and I want to mirror the system onto another machine. The original database is running ubuntu 9.1, the new system has ubuntu 11.04 installed ...
1
vote
1answer
501 views

WebDav mirroring with Apache/Nginx

Folks, I have an "origin" server where data is being dumped using WebDav. I need to distribute this data to edge caches as soon as the data is received on the origin. I will use either Apache or Nginx ...
2
votes
4answers
476 views

Cross-server file mirroring with minimal latency

Platform: Ubuntu 10.04 x86. We have a HTTP server (nginx, but that is not relevant) which serves some static content. Content is (rarely) uploaded by content-managers via SFTP, but may be changed / ...
7
votes
2answers
539 views

convert 1x2TB HDD with LVM into 2x2TB HDD with RAID1+LVM or with LVM mirroring?

I have Ubuntu server with 1x2TB HDD and 1x128GB SSD (unused). There are 2 partitions: /boot, and a physical volume for LVM, which has 1 group and 5 logical volumes: /, /var/log, /home, /srv, /tmp. ...
2
votes
5answers
4k views

mirrored filesystem across a few servers

I'm looking for a solution to mirror or replicate one directory (or one filesystem) across a few Linux servers. Ideal solution would be one, which permits all servers read-write access. I also want it ...
2
votes
1answer
164 views

Server redundancy or failsafe for small single office server

We run a local server in our office, and have a domain name pointed to it so we can test out sites we build. We also handle some image hosting for clients for emails. Since it's a single server, if ...
1
vote
2answers
139 views

Mirroring a website on virtual machines

Recently I've spoken to a friend who told me of an idea to improve performance of a website (as well as increasing the use of full capacity of a machine) by installing multiple virtual machines on the ...
0
votes
4answers
2k views

mirroring linux server to external usb harddrive

My google-fu must be sucking. i havent been able to find a good solution for the following: numerous Linux server on commodity hardware Trying to do a recovery mirror copy to external harddrives ...
1
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2answers
161 views

Database Snapshots of Mirrored databases affect performance of Principal database?

I have 2 servers set in Mirroring High-safety. One is Principal and another in Mirror. Currently I have 2 snapshots of a Production database (100 GB size) created on Principal server (for no_lock ...
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vote
3answers
840 views

Real time mirroring between two sql server databases

I'm a c# programmer, not a DBA and I've had the (mis)fortune to be handed a database admin task. So please bear this in mind when answering this question. What I've been asked to do is to create a ...
1
vote
2answers
107 views

Mirroring primary hard drive

I need to mirrior my life drive so that the hard drive we mirror it to is bootable. Does the server need to be off to do this? What's the best way to do this? It's a 160GB drive with anywhere from ...
0
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2answers
1k views

Drobo mirror setup

We have recently acquired 3 Drobo and tried setting them up, each of them contain 4x2TB HDD, but it only shows 5,44TB available, probably because of their beyondRaid technology, this lead to 2 ...
0
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2answers
123 views

Mirroring ubuntu/debian release CD images?

I'd like to create a mirror for Ubuntu and Debian. I have apt-mirror installed, but I'm not sure what to place in my /etc/apt/mirror.list to mirror just the CD images. Can anyone assist? Thanks!
1
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5answers
805 views

Mirroring linux installation

I have a live server that I want to completely mirror to a 2nd server so if something were to happen to the live server the backup server could simply be plugged in and ready to go. How do I setup a ...
1
vote
2answers
357 views

I need complete tutorial about MSSQL 2008 Database mirroring for load balancing

I need complete tutorial about MSSQL 2008 Database mirroring for load balancing i want to load balance my SQL workload all database insert update and delete queries will be mirrored all select ...
0
votes
1answer
347 views

How can i mirror a particular branch in one Subversion repo to a particular branch in another repo?

EDIT: Actually, after playing with Timeline some more this is going to be a non issue. The UI is confusing because its not necessarily meant to work with multiple repos, but it does work since each ...
3
votes
2answers
796 views

How to handle one-way synchronization of two Oracle databases with no network connection?

Here's the situation: I have two Oracle 10g databases (with the same tables, etc.) that cannot be connected by network. At some regular intervals (say, once a day) I need to be able to update the ...
0
votes
1answer
76 views

Performance lag for database replication

My company is really sensitive about keeping up the performance on our core system. Our users also have a requirement to replicate or mirror all data to another location (in another location within ...
7
votes
5answers
3k views

What is a practical way to mirror an Amazon S3 bucket?

I want to mirror my Amazon S3 buckets. I want to do this because 1) I don't want all my data only existing with one provider; and 2) in case of software error or security breach I want to have the ...
2
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8answers
3k views

Windows Server Almost Real-Time Directory Replication

The environment Windows 2003 R2 Standard File server Windows 2003 Web Edition server The challenge Need a way to mirror a directory (or share) from the file server to the web server. It needs to ...
1
vote
1answer
590 views

Data migration from one data center to another - SQL Server 2005 / 2008

We're installing new data center and we'll set that location as primary location. What do you think, how should we migrate SQL Server data? System is normally active 24x7x365, but we're prepared for ...
2
votes
3answers
2k views

Any disadvantages of using built-in software-RAID-1 on a Windows Server?

I have had some problems using hardware-RAID on a server. Now I'm planning to use the Windows Server built-in software-RAID-1 instead. The server will only be used for Business Administrations, so I ...
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2answers
2k views

How to create a Mirror of an NFS Share?

For back-up and restoration purposes the purpose of retiring an old server, I will need to create a perfect mirror image of an NFS share. This mirror is not a simple re-direct, but rather, an exact ...
1
vote
1answer
679 views

Issue with broken disk on Solaris with raidctl - how to proceed

I have a SunFire T2000 server which has 2 mirrored disks pairs. The server required an exchange of the system battery. After swaping the battery first no disks were found. After booting from CD we ...
1
vote
1answer
2k views

Best way to mirror files to an external hard drive?

I have a 1 TB internal hardrive full of important files and media on a server running Ubuntu; I also have a 1 TB external hard drive that is plugged into the same server. What would be the best way to ...
1
vote
1answer
181 views

Can I mix RAID-0 and RAID-1, i.e., striping and mirroring?

With my Dell Precision Workstation T7400 came a SAS controller that supports both striping and mirroring. Total nr of physical connections is 4. What I'd like to do is plugin four 2TB disks, select ...
1
vote
1answer
92 views

Mirrored drive separated and lost one copy

I have a dedicated server with two identical hard drives, which ran in a raid array, mirrored until yesterday, when the datacenter had a power failure and corrupted one of the discs. I figured if I ...
2
votes
3answers
253 views

Unix server mirroring solution

We have three servers running Ubuntu Server 10.04, load balancing between them through DNS. We use Django, nginx to serve content and PostgresQL as database. For PostgresQL, there are some mirroring ...
0
votes
2answers
469 views

Tools to manage sql 2008 database mirroring?

We are going to be moving about 20 databases that live on a single instance of sql 2000 to a sql 2008 r2 environment with database mirroring. What I'm looking for is a tool or scripts that will help ...
3
votes
2answers
138 views

can I replicate systems using a RAID1 array?

I have four DL380-G5 servers. one is currently running RH5.2 using a RAID1 drive set. I want to replicate the first server to the other three. I am thinking I can yank one of the drives from the first ...
1
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2answers
81 views

verifying two mirrored directory trees

Is there an easy way to verify that two directory trees on two separate machines are identical, and that all files within the directory tree are also identical? I want to make sure that two separate ...
0
votes
2answers
684 views

Failover tmpfs mirroring. Am I doing it right?

My goal is to have a certain directory to be available as tmpfs. There will be some modifications during server uptime in this dir and those modifications must be synced to non-tmpfs persistent dir on ...
1
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3answers
567 views

Sql Server Mirror over Internet

Ok, I'm gonna get some weird looks for this, but It's something I want to do. I have two servers on the internet, I want to open an internet port just for each others IP, and do a SQL Server 2008 ...
1
vote
5answers
5k views

How do I mirror a folder (copy only missing and changed files recursively) in windows?

I'm trying to find a fast way to recursively update a folder and all subfolders from another folder. Obviously, a full delete and Xcopy would work but that is very slow. After the update, the ...
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votes
4answers
2k views

How do I mirror a MySQL database?

I'm running two load balanced servers for one website, and I'd like the databases to be synchronized. Queries may be run on either of the two servers because they are both production sites, so the ...
0
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3answers
2k views

NLB Accessed Denied from second server

Have NLB set up and working. Just two servers, web1 and web2. I set up NLB on web1 and can view both machines as Converged. (I had to specify a login/pass to connect to web2). On web2, looking at the ...